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Finding the Fourth Proportional to 9,328.98, 13,994.26 and 2,755.45

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Solution

The fourth proportional to 9,328.98, 13,994.26 and 2,755.45 is: 4,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.98 : 13,994.26 = 2,755.45 : x
  2. Step 2: Convert to fraction form
    9,328.98/13,994.26 = 2,755.45/x
  3. Step 3: Cross multiply
    9,328.98x = 13,994.26 × 2,755.45
  4. Step 4: Simplify right side
    9,328.98x = 38,560,423.35
  5. Step 5: Solve for x
    x = 38,560,423.35/9,328.98
  6. Step 6: Final answer
    x = 4,133.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.